Home / 777,989.45-1,166,703.63-328,745.14

Finding the Fourth Proportional to 777,989.45, 1,166,703.63 and 328,745.14

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Solution

The fourth proportional to 777,989.45, 1,166,703.63 and 328,745.14 is: 492,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,989.45 : 1,166,703.63 = 328,745.14 : x
  2. Step 2: Convert to fraction form
    777,989.45/1,166,703.63 = 328,745.14/x
  3. Step 3: Cross multiply
    777,989.45x = 1,166,703.63 × 328,745.14
  4. Step 4: Simplify right side
    777,989.45x = 383,548,146,539.13
  5. Step 5: Solve for x
    x = 383,548,146,539.13/777,989.45
  6. Step 6: Final answer
    x = 492,999.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.